The document provides tips for loosening up one's drawing and painting style to become more expressive and confident. It recommends focusing on shapes, values, and experimenting with different mediums and subjects through practice. Specifically, it suggests sketching in charcoal to understand values, using a limited palette, trying new materials like pastels or watercolors, and painting from life to improve observation skills and capture light effectively. Regular practice of these techniques will help artists loosen up and find more enjoyment in the creative process.